The ever popular Sunmaster bulbs. The 600w provides 95,000 lumens compared to other makes only providing 90,000 lumens. Available in 250w, 400w, 600w HPS.
Sylvania
Another popular and reliable product. The 600w gives out 90,000 Lumens. Available in 250w, 400w or 600w.
PowerPlant
PowerPlant 250w lamps provide 32,000 Lumens, the 400w provides 55,000 Lumens and the 600w grow lights provide 90,000 Lumens.
SunPulse
SunPulse Lamps for magnetic ballasts.
Philips
Philips Son T Plus. Available in 250w, 400w or 600w.
Metal Halide Lamps
Sunmaster
Sunmaster
Metal Halide Lamps are probably the most reliable on the market. The 600w provide 7.2 Kelvins. 250w (in Venture Packaging) 400w or 600w.
PowerPlant
PowerPlant
Metal Halide provide 4000 Kelvins. Available in 250w, 400w or 600w.
Dual Spectrum / Propagation / CFL / Digital Lamps
Sunmaster Dual Spectrum
Becoming more popular the Sunmaster Dual Spectrum lamps provide red & blue spectrum.
250w, 400w or 600w
Philips
Philips
55w Propagation. £9.00
PowerPlant CFL
Super Cool White for propagation
Cool White for growing
Warm White for flowering
Maxibright CFL
These bulbs are self ballasted, give off minimal heat with good light levels. Use the blue 125w/250w for growing and the red 125w/250w for flowering. The 125w should fit any standard reflector but the 250w being a larger bulb fits either the CFL Pro Reflector or the SunMate CFL Reflector. To get the best results place 4-5cm above plants.